From 9a484a9d22368d2a0baad05ea6049e4c3d5e8cba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Veronika=20Hanul=C3=ADkov=C3=A1?= <vhanulik@redhat.com>
Date: Tue, 14 May 2024 10:11:56 +0200
Subject: [PATCH] pkcs15.c: Fix memory leak

When sc_pkcs15_read_cached_file allocates data pointer
but following sc_select_file fails, the data pointer
is rewritten by another malloc.
---
 src/libopensc/pkcs15.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libopensc/pkcs15.c b/src/libopensc/pkcs15.c
index bb03ac7ec6..3f3198d3bc 100644
--- a/src/libopensc/pkcs15.c
+++ b/src/libopensc/pkcs15.c
@@ -2549,6 +2549,7 @@ sc_pkcs15_read_file(struct sc_pkcs15_card *p15card, const struct sc_path *in_pat
 			}
 		}
 
+		free(data);
 		data = malloc(len);
 		if (data == NULL) {
 			r = SC_ERROR_OUT_OF_MEMORY;